Valdecoxib-d3

About Valdecoxib-d3

Valdecoxib-d3 is a stable isotope labelled analogue related to Valdecoxib carrying the CAS registry number 1219794-90-7. With the molecular formula C16H14N2O3S, it has a molar mass of 317.4 g/mol. Systematically, it is named 4-[3-phenyl-5-(trideuteriomethyl)-1,2-oxazol-4-yl]benzenesulfonamide. It is also known as Valdecoxib-d3 (methyl-d3).

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Valdecoxib-d3 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Valdecoxib

View every impurity, metabolite and intermediate we list for Valdecoxib.

Valdecoxib impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Valdecoxib-d3
Catalogue No.	VQ-042792
CAS Number	1219794-90-7
IUPAC name	4-[3-phenyl-5-(trideuteriomethyl)-1,2-oxazol-4-yl]benzenesulfonamide
Molecular formula	C₁₆H₁₄N₂O₃S
Molecular weight	317.4 g/mol
Exact mass	317.0913
Grade	Reference Standard
HSN code	38229090
InChIKey	LNPDTQAFDNKSHK-FIBGUPNXSA-N
SMILES	[2H]C([2H])([2H])C1=C(C(=NO1)C2=CC=CC=C2)C3=CC=C(C=C3)S(=O)(=O)N
PubChem CID	76973821

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 5
TPSA	94.6 Å²

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Valdecoxib-d3?

The CAS Registry Number of Valdecoxib-d3 is 1219794-90-7. It is also known as Valdecoxib-d3 (methyl-d3), 4-[3-phenyl-5-(trideuteriomethyl)isoxazol-4-yl]benzenesulfonamide.

What is the molecular formula and molecular weight of Valdecoxib-d3?

Valdecoxib-d3 has the molecular formula C16H14N2O3S and a molecular weight of 317.4 g/mol. Its IUPAC name is 4-[3-phenyl-5-(trideuteriomethyl)-1,2-oxazol-4-yl]benzenesulfonamide.

What is Valdecoxib-d3 used for?

Valdecoxib-d3 is supplied as a characterised reference material related to Valdecoxib. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Valdecoxib-d3 can I order?

We supply Valdecoxib-d3 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Valdecoxib-d3?

Yes. Every lot of Valdecoxib-d3 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Valdecoxib-d3 be shipped internationally?

Yes. We export Valdecoxib-d3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.